Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Seok‐Jae Heo and Inkyung Jung,Extended multi‐item gamma Poisson shrinker methods based on the zero‐inflated Poisson model for postmarket drug safety surveillance,Statistics in Medicine,0277-6715,Wiley,2020-09-10,39,30,4636-4650,https://cir.nii.ac.jp/crid/1360576121679932416,https://doi.org/10.1002/sim.8745